Rubbery bladders from epoxy compositions

Details Rubbery bladders from epoxy compositions Rubbery bladders from epoxy compositions

1977-02-25

1978-10-10

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 291SB, 260 304A, 260 304EP, 260 318E, 260836, 260837R, 264275, 264311, 264331, 273 65B, 528 99, 528 97, 528112, 528 94, C08G 5942, C08G 8142

Patent

active

041195922

ABSTRACT:
Rubbery bladders are produced by rotational casting a liquid polymer composition containing (1) an epoxy resin, (2) a liquid carboxyl-terminated polymer, (3) an amine, (4) a dihydric compound, and (5) a plasticizer. In order to obtain the desired flex and tear properties, the equivalent ratio of the other reactants to epoxy must be from about 0.70 to about 1.15. The valve area of the bladder is reinforced with a spun bonded fabric.

REFERENCES:
patent: 3673274 (1972-06-01), Tomalia et al.
patent: 3686359 (1972-08-01), Soldatos et al.
patent: 4016022 (1977-04-01), Browning et al.
patent: 4025578 (1977-05-01), Siebert
patent: 4028432 (1977-06-01), Dawans et al.
Lee et al., "Handbook of Epoxy Resins", McGraw-Hill, 1967, pp. 10-17.

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